At a yard sale, a woman spent less than $26 on books that were labeled $3 each. which of the following inequalities models this situation?

a. 26b = 3
b. 3b < 26
c. 3/b < 26
d. 3b > 26

What is the ratio for the surface areas of rectangle prisims shown below given that they are similar and that the ratio of their edge lengths is 7: 3

Aresearch company wants to test the claim that a new multivitamin to improve short term memory. state the objective of the experiment, suggest a population, determine the experimental and control groups, and describe a sample procedure.

Combine like terms to make a simpler expression 3z+z